
Fix Windows Defender Error 0x80070422: Cannot Connect
If you see error 0x80070422 when trying to open Windows Defender Security Center, the service is ...
Software troubleshooting desk

If you see error 0x80070422 when trying to open Windows Defender Security Center, the service is ...

When you try to restore a Windows activation backup—often from a saved Tokens.dat or...

You open Task Manager and see Windows Security (or Antimalware Service Executable) using 500 MB o...

You try to sign in to OneDrive, but it fails with a network error. Often, a firewall—on your comp...

When Outlook cannot connect to Exchange Server and you see an error like “Port already allocated”...

After a Chrome update, you might open the browser only to find your bookmarks, extensions, themes...